Dental Age in Southwest Germany: A Radiographic Study [Das Zahnalter im südwestdeutschen Raum: Eine röntgenologische Studie]

被引：61

作者：

Frucht S. ^{[1
,3
]}

Schnegelsberg C. ^{[1
]}

Schulte-Mönting J. ^{[2
]}

Rose E. ^{[1
]}

Jonas I. ^{[1
]}

机构：

[1] Department of Orthodontics, University of Freiburg i. Br.

[2] Inst. Med. Biometr. and Med. Info., University of Freiburg i. Br.

[3] Abt. Poliklin. F. Kieferorthopadie, Universitäts-ZMK-Klinik, D-79106 Freiburg i. Br.

来源：

Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie | 2000年 / 61卷 / 5期

关键词：

Dental age; Dental development; Panoramic radiograph; Score system; Tooth mineralization;

D O I：

10.1007/PL00001902

中图分类号：

学科分类号：

摘要：

A cross-sectional study was undertaken in order to assess the dental age of healthy Southwest German boys and girls between the ages of 2 and 20 years by evaluating 1,003 panoramic radiographs. Dental age was assessed according to the method of Demirjian et al. All permanent teeth of the lower left jaw except the third molar were rated, the development of each tooth was divided into 8 defined stages. Statistical evaluation revealed a correlation between the parameters chronological age and score sum of r = 0.85 for girls and r = 0.89 for boys. The values of the score sum in relation to chronological age were distributed as in a logistic function. Two gender-specific equations for calculating dental age were devised and a marked sexual dimorphism was found. With the beginning of root formation, the girls showed accelerated development. The fact that dental age distribution in Southwest Germany is not significantly correlated to that of a French-Canadian collective underlines Demirjian's demand for regional standards of dental development to be calculated using his score system.

引用

页码：318 / 329

页数：11

共 25 条

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